package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
@Slf4j
@Transactional
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    @Override
    public ResponseResult login(LoginDto loginDto) {
//        1.手机号登录
//        1.1 判断手机号和密码是否为空
        if(StringUtils.isNotBlank(loginDto.getPhone()) && StringUtils.isNotBlank(loginDto.getPhone())){
            ApUser user = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, loginDto.getPhone()));
            if(user == null){
                return ResponseResult.errorResult(AppHttpCodeEnum.AP_USER_DATA_NOT_EXIST,"用户不存在");
            }
            //        1.2 比对密码是否正确
            String salt = user.getSalt();
            String password = user.getPassword();
            String pswd = DigestUtils.md5DigestAsHex((salt + password).getBytes());
            if(!pswd.equals(loginDto.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
//            1.3 返回jwt
            String token = AppJwtUtil.getToken(user.getId().longValue());
            HashMap<String, Object> map = new HashMap<>();
            map.put("token", token);
            user.setSalt("");
            user.setPassword("");
            map.put("user",user);
            return ResponseResult.okResult(map);
        }else {

//        2.游客登陆
            String token = AppJwtUtil.getToken(0L);
            HashMap<String, Object> map = new HashMap<>();
            map.put("token", token);
            return ResponseResult.okResult(map);

        }
    }
}
